package qwe;
    public class Student_2 extends Student{
        public Student_2(String Stu_name, String Stu_id, String Stu_banji){
            super(Stu_name,Stu_id,Stu_banji);
        }
        public void time(){
            System.out.println("上课时间是\"周一,周二,周三\"");
        }
    }

